10.2. Alarm Input Terminal Connections

The number of terminals available differs depending on whether the Digital Video Recorder is a 9-channel or a 16-channel version. Refer to the table below when making alarm input terminal connections.(Refer to p. 14; Nomenclature and Functions)

For 16 channel

For 9 channel

ALARM IN

1 G 2 G 3 G 4 G 5 G 6 G 7 G 8 G

9 G 10 G 11 G 12 G 13 G 14 G 15 G 16 G

ALARM IN

1 G 2 G 3 G 4 G 5 G 6 G 7 G 8 G

9 G

Terminal name

Symbol

Name

1

ALARM 1

Alarm input 1

G

GND

Signal ground

2

ALARM 2

Alarm input 2

G

GND

Signal ground

3

ALARM 3

Alarm input 3

G

GND

Signal ground

4

ALARM 4

Alarm input 4

G

GND

Signal ground

5

ALARM 5

Alarm input 5

G

GNA

Signal ground

6

ALARM 6

Alarm input 6

G

GND

Signal ground

7

ALARM 7

Alarm input 7

G

GND

Signal ground

8

ALARM 8

Alarm input 8

G

GND

Signal ground

Terminal name

Symbol

Name

9

ALARM 9

Alarm input 9

G

GND

Signal ground

10

ALARM 10

Alarm input 10

G

GND

Signal ground

11

ALARM 11

Alarm input 11

G

GND

Signal ground

12

ALARM 12

Alarm input 12

G

GND

Signal ground

13

ALARM 13

Alarm input 13

G

GNA

Signal ground

14

ALARM 14

Alarm input 14

G

GND

Signal ground

15

ALARM 15

Alarm input 15

G

GND

Signal ground

16

ALARM 16

Alarm input 16

G

GND

Signal ground

10.2.1. Terminal connection

The terminal connector is unlocked by pressing down on its release button. To connect the cable, press down on the release button first, insert the cable, then push the release button up again to lock the cable in place. However, for solid cables with diameters from 0.8 mm(AWG20) to 1.2 mm(AWG16), there is no need to press down on the release button. Cable can be connected simply by inserting it in place until it will not go any further.

Note

Ensure that the cable is securely locked into the terminal after connection.

1 Press down the

2Release button.

Insert a cable.

3 Push the release button up.

Applicable cable

Solid conductor AWG26 (ø 0.4 mm) - AWG16 (ø 1.2 mm)

Stranded conductor AWG24 (0.2 mm2) - AWG20 (0.75 mm2)

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TOA Electronics C-DR161 CU Series, C-DR091 CU Series Alarm Input Terminal Connections, Terminal connection, Gnd, Gna